"Go" Java Knowledge point list

Source: Internet
Author: User

On-line hotlinking Java knowledge Point list, learn to Java to have a basic understanding before Android development, as a checklist, have time to detect their own

1 development environment Java SDK Download and installation
2 configuration of environment variables (path and CLASSPATH)
3 Programming Base Identifier naming conventions
4 Java data types
5 operator
6 Branch statement (If,switch)
7 Loop statement (For,while)
8 Methods for defining functions
9 The difference between object-oriented and process-oriented languages
10 object-oriented basic ideas (encapsulation)
11 Defining methods for classes
12 relationship of objects and classes
13 How objects are created
14 methods for using member variables and member functions through objects
15 function of the constructor
16 Overloading of functions
The role of the static
The role of this
19 Object-oriented advanced object-oriented basic ideas (inheritance)
20 Effect of the inheritance
21 Inheritance of grammatical features
How to use Super
23 Object-oriented basic ideas (polymorphism)
24 upward transformation and downward transformation of objects
The role of the final keyword
26 methods for defining abstract classes and interfaces
27 syntax characteristics of interfaces and abstract classes
28 status and significance of abstract classes and interfaces in object-oriented programming
29 Design Mode (factory method mode)
Definitions of exceptions in Java
31 Classification of anomalies and their respective characteristics
Treatment method of try...catch...finally structure
How to use the throw and throws
34 How to use custom exceptions
35 methods for defining inner classes
36 methods for defining anonymous inner classes
37 common ways to use internal classes
38 basic definitions of thread threads
39 Two ways to implement threading in Java (using thread or runnable)
40 Thread Run Status introduction (Prepare, run, block, die)
41 ways to communicate between threads
42 Thread Synchronization
43 Thread Deadlock
Basic concept of Io IO
45 The role of the input stream and the output stream
The classification method of Io stream in Java
47 How to use the Common IO class (File,fileinput,fileoutput,reader,writer and how its subclasses are used)
How to use the common classes in the 48 class library class set Framework (ARRAYLIST,LINKEDLIST,QUEUE,STACK,HASHSET,HASHMAP)
49 How to Use Date related classes (Data,dataformat,calander)
50 Basic concepts of database-relational database
The SQL classification
DDL,DML, Enquiry

"Go" Java Knowledge point list

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